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Cisco N3K-C3048-BD-L3 | Nexus 3000 48-Port Gigabit Switch, 4x 10G SFP+, Layer 3

N3K-C3048-BD-L3

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Description

The Cisco Nexus 3048 is a high-performance 1RU top-of-rack data center switch designed for Big Data and enterprise environments. With 48 Gigabit Ethernet ports, 4x 10G SFP+ uplinks, and full Layer 2 and Layer 3 switching capabilities, it delivers line-rate forwarding at 176 Gbps with ultra-low latency. This bundle includes DC power supplies, reverse airflow cooling, and LAN Enterprise licenses for advanced routing protocols including BGP, OSPF, EIGRP, and multicast support.

Features

Full Layer 2 and Layer 3 switching with line-rate performance
- Advanced routing protocols: BGP, OSPF, EIGRP, RIPv2
- Multicast routing: PIM-SM, SSM, MSDP
- Virtual Port Channel (vPC) for link redundancy and aggregation
- Virtual Device Contexts (VDC) for network segmentation
- Cisco Nexus Data Broker support for network traffic monitoring
- OpenFlow-ready for software-defined networking
- Comprehensive Layer 2 features: VLANs (4094), private VLANs, LACP
- Spanning Tree: RSTP, MSTP
- Quality of Service (QoS) with 8 queues per port
- Security features: 802.1X, Dynamic ARP Inspection, IP Source Guard, port security, TACACS+/RADIUS
- Energy Efficient Ethernet (IEEE 802.3az)
- Cisco TrustSec for identity-based access control
- Hot-swappable redundant power supplies and fans
- VXLAN support for network virtualization
- Management via Cisco DCNM, CLI, SNMP, REST APIs

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

48x 10/100/1000BASE-T RJ45 ports
- 4x 1/10G SFP+ uplink ports
- Switching capacity: 176 Gbps
- Forwarding rate: 132 Mpps
- MAC address table: 128,000 entries
- Flash memory: 2 GB
- Packet buffer: 9 MB shared buffer
- Form factor: 1RU rack-mountable
- Airflow: Reverse (port-side intake)
- Power supply: 400W DC, redundant capable
- Dimensions: 1.72 x 17.3 x 19.7 in (4.4 x 43.9 x 50.5 cm)
- Operating system: Cisco NX-OS
- Management: CLI, SNMP v1/v2/v3, DCNM, REST API
- Licenses included: Base + LAN Enterprise (Layer 3)
- Jumbo frames: up to 9216 bytes
- Spanning Tree: RSTP (512 instances), MSTP (64 instances)

FAQs

Q: What licenses are included with the N3K-C3048-BD-L3 bundle?
A: This bundle includes both the Base license and the LAN Enterprise license, enabling full Layer 3 routing capabilities including BGP, OSPF, EIGRP, RIPv2, PIM-SM, SSM, and MSDP out of the box.

Q: What is the difference between forward and reverse airflow models?
A: The BD suffix indicates reverse airflow (port-side intake), where air enters through the front ports and exhausts through the rear fan tray and power supplies. This is ideal for cold-aisle containment in data centers where cool air is at the front of the rack.

Q: Can this switch be used for top-of-rack server connectivity?
A: Yes, the Nexus 3048 is specifically designed as a top-of-rack switch for data centers, providing line-rate Gigabit Ethernet connectivity to servers with high-speed 10G SFP+ uplinks to the aggregation or spine layer.

Q: Does this switch support Virtual Port Channels (vPC)?
A: Yes, the Nexus 3048 with LAN Enterprise license supports vPC, allowing dual-homed server and network connectivity for redundancy and enhanced bandwidth utilization across the fabric.

Q: What routing protocols are supported with the LAN Enterprise license?
A: The LAN Enterprise license enables full Layer 3 unicast and multicast routing including BGP, OSPF, EIGRP, RIPv2 for unicast, and PIM-SM, SSM, MSDP for multicast routing.

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